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Finding the Fourth Proportional to 14,390.95, 21,579.03 and 6,593.08

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Solution

The fourth proportional to 14,390.95, 21,579.03 and 6,593.08 is: 9,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.95 : 21,579.03 = 6,593.08 : x
  2. Step 2: Convert to fraction form
    14,390.95/21,579.03 = 6,593.08/x
  3. Step 3: Cross multiply
    14,390.95x = 21,579.03 × 6,593.08
  4. Step 4: Simplify right side
    14,390.95x = 142,272,271.11
  5. Step 5: Solve for x
    x = 142,272,271.11/14,390.95
  6. Step 6: Final answer
    x = 9,886.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.